Answer:
Step-by-step explanation:idk
Idk
Answer:
3 feet per hours
Step-by-step explanation:
To get unit rate divide foot by hours

Answer:
sin b = 0.8
Step-by-step explanation:
Since a and b are complementary angles , then
sin b = cos a = 0.8
To cover at least 170.5 sq.ft. the width must be at least 11 feet
W=170.5sq.ft / 15.5 ft = 11ft